Imboulou Dam

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Imboulou Dam
Imboulu Dam redition.jpg
Rendition of the dam
Imboulou Dam is located in Republic of the Congo
Imboulou Dam
Location of Imboulou Dam
Official name Imboulou Dam
Location Between the Plateaux Department and the Pool Department
Coordinates 2°56′05″S 16°07′40″E / 2.93472°S 16.12778°E / -2.93472; 16.12778Coordinates: 2°56′05″S 16°07′40″E / 2.93472°S 16.12778°E / -2.93472; 16.12778[1]
Construction began 2005
Opening date 2011
Construction cost 170 billion FCFA (340 M$)
Dam and spillways
Type of dam Gravity, roller-compacted concrete/Earthen embankment
Impounds Léfini River
Height 32.5 m (107 ft)
Length Gravity dam: 310 m (1,020 ft)
Earthen dam: 270 m (886 ft)
Total:580 m (1,903 ft)
Spillway capacity 1,200 m3/s (42,000 cu ft/s)[2]
Total capacity 584,000,000 m3 (473,000 acre·ft)[3]
Power station
Turbines 4 x 30 MW (40,000 hp) Kaplan turbines
Installed capacity 120 MW (160,000 hp)
Annual generation 876×10^6 kWh (3.15×109 MJ)

The Imboulou Dam is a dam on the Léfini River, near Ngabé, Ngabe District, Pool Department, Republic of the Congo, about 300 kilometers north of Brazzaville. It was inaugurated by President Denis Sassou-Nguesso on the 7th of May 2011.[4]

References[edit]

  1. ^ "Figure 1: Aerial view of the projected cofferdam...". International Water Power & Dam Construction. Retrieved 14 June 2011. 
  2. ^ "Diversion works". International Water Power & Dam Construction. 16 December 2008. Retrieved 14 June 2011. 
  3. ^ "Construction supervision Imboulou hydropower plant / Republic of the Congo". Fichtner. Retrieved 14 June 2011. 
  4. ^ (French) « Énergie électrique : le barrage d'Imboulou entre en production », Les Dépêches de Brazzaville, 05-09-2011.